A^2-2A*B+B^2=(A-B)^2=(-2^5-2^5)^2=2^12A^3-3A^2*B+3A*B^2-B^3=(A-B)^3=(-2^5-2^5)^3=-2^182m+4n-3=02m+4n=34^m*16^n=2^2m*2^4n=2^(2m+4n)=2^3=8